No montage, no human subjects, minimal visual content, and the artists basically pissing on the fourth wall by calling attention in every way possible to the artifice of what they’re doing. Preserved by the Academy Film Archive in 2009.
1950
1927
1971
1949
1960
1972
1958
1944
1990
1993
1996
1961
1941
1945
1982
1930
1943